Home / 86,936,072.90-130,404,109.35-56,702,984.90

Finding the Fourth Proportional to 86,936,072.90, 130,404,109.35 and 56,702,984.90

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Solution

The fourth proportional to 86,936,072.90, 130,404,109.35 and 56,702,984.90 is: 85,054,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936,072.90 : 130,404,109.35 = 56,702,984.90 : x
  2. Step 2: Convert to fraction form
    86,936,072.90/130,404,109.35 = 56,702,984.90/x
  3. Step 3: Cross multiply
    86,936,072.90x = 130,404,109.35 × 56,702,984.90
  4. Step 4: Simplify right side
    86,936,072.90x = 7,394,302,243,370,998
  5. Step 5: Solve for x
    x = 7,394,302,243,370,998/86,936,072.90
  6. Step 6: Final answer
    x = 85,054,477.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.